CN214791886U - Thick film heating element that application safety coefficient is high - Google Patents
Thick film heating element that application safety coefficient is high Download PDFInfo
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- CN214791886U CN214791886U CN202121247968.6U CN202121247968U CN214791886U CN 214791886 U CN214791886 U CN 214791886U CN 202121247968 U CN202121247968 U CN 202121247968U CN 214791886 U CN214791886 U CN 214791886U
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Abstract
The utility model discloses a thick film heating assembly with high safety factor, which comprises a thick film heating body and a cover plate which are oppositely arranged and mutually connected, wherein the thick film heating body is composed of a runner plate and a thick film heating plate which are mutually sealed and welded, a fluid channel is formed between the runner plate and the thick film heating plate, and both ends of the fluid channel are respectively provided with a liquid inlet pipe joint and a liquid outlet pipe joint; the middle part and the lower part of apron are equipped with temperature controller mounting hole and elasticity conductor piece mounting hole respectively, and the both sides border of apron is equipped with the fixture block of at least a set of relative setting respectively, and the fixture block formation that should set up relatively matches with the thick film heating member buckle structure, carries out the joint pre-installation with the realization to the pre-position of temperature controller with apron and thick film heating member through buckle structure, treats that the spiro union fastening of apron and thick film heating member is realized through the screw after the temperature controller has adjusted the position. The utility model has the advantages of reasonable design, assembly process is simple and application safety factor is high.
Description
Technical Field
The utility model belongs to the technical field of the thick film heating device, concretely relates to thick film heating element that application safety factor is high.
Background
With the rapid development of thick film heating technology, the thick film heating technology is more mature, products are more abundant, the scene is more extensive, the technical problems of thick film heating products are more and more, the thick film heating is related to the safety of the whole product, in the prior art, most of the thick film heating elements have high temperature during working, so that the tin soldering at the connecting part of a power supply terminal and a power supply line connector is easy to melt and soften, the power supply line connector is easy to separate from the power supply terminal of the heating element due to the influence of external force of pulling a power supply line, the thick film heating element cannot normally work, and the thick film heating circuit has the advantages of fast temperature rise, energy saving and the like, but the advantages are also defects sometimes, for example, once the dry burning phenomenon occurs at the fast temperature rise, serious loss can be caused in a short time, therefore, the accurate and strict control on the product and the nearby temperature in the thick film heating product is required, accurate and tight control of product and nearby temperatures is required in thick film heating products. Therefore, thick film heating products in the prior art are provided with two temperature sensing elements, one temperature sensing element is used for measuring the temperature of a thick film heating circuit and a carrier thereof, and is convenient to control dry burning, and the other temperature sensing element is used for measuring the temperature of water and is used for controlling heating power or liquid flow rate.
Disclosure of Invention
The utility model provides a technical problem provide a reasonable and simple application safety factor's of assembly process thick film heating element that application safety is high of structural design, this thick film heating device can effectively solve the problem that exists in the background art through structural design such as two sets of temperature controllers and the elastic conductor piece that resets.
The utility model adopts the following technical scheme for solving the technical problems, a thick film heating assembly with high safety factor of use is characterized by comprising a thick film heating body and a cover plate which are oppositely arranged and mutually connected, wherein the thick film heating body is composed of a runner plate and a thick film heating plate which are mutually sealed and welded, a fluid channel is formed between the runner plate and the thick film heating plate, and both ends of the fluid channel are respectively provided with a liquid inlet pipe joint and a liquid outlet pipe joint; the middle part and the lower part of apron are equipped with temperature controller mounting hole and elasticity conductor piece mounting hole respectively, and the both sides border of apron is equipped with the fixture block of at least a set of relative setting respectively, and the fixture block formation of this relative setting matches with the thick film heating member the buckle structure, carries out the joint pre-installation with the realization to the pre-location of temperature controller with apron and thick film heating member through buckle structure, realizes the spiro union fastening of apron and thick film heating member through the screw.
Further limited, the thick film heating plate is composed of a carrier, a heating circuit and a temperature sensing element which are arranged on the carrier, wherein the carrier is used for bearing the heating circuit and transferring the heat generated by the heating circuit to the fluid to be heated in the carrier, the heating circuit is composed of a plurality of sections of heating sub-circuits which are distributed in different areas of the carrier and are mutually independent and connected in parallel, the temperature controllers are respectively arranged in the temperature controller mounting holes on the cover plate opposite to the multi-section heating sub-circuits, the temperature controller is in contact fit with the thick film heating plate, two ends of the multi-section heating sub-circuit are respectively electrically connected with a power supply welding point arranged on the carrier, elastic conductor sheets are respectively inserted and installed in the elastic conductor sheet installation holes on the cover plate opposite to the power supply welding points, one end of the elastic conductor sheet is fixedly connected with the power supply welding point through elastic pressing or soft soldering, and the other end of the elastic conductor sheet is electrically connected with the power supply circuit; the temperature sensing element is arranged on the carrier and used for acquiring temperature data of fluid to be heated in the carrier and the carrier to prevent dry burning, two ends of the temperature sensing element are respectively and electrically connected with positive and negative welding points arranged on the carrier through temperature sensing circuits, elastic conductor sheets are respectively inserted and installed in elastic conductor sheet installation holes in the cover plate opposite to the positive and negative welding points, one end of each elastic conductor sheet is fixedly connected with the positive and negative welding points through elastic pressing or soft soldering, and the other end of each elastic conductor sheet is electrically connected with the control device.
Further inject, the rectangle mounting hole on elasticity conductor piece and the apron is connected through the mode of cantilever joint, and the elasticity conductor piece left and right sides is equipped with the rectangle joint key promptly, and has corresponding draw-in groove in the rectangle mounting hole of apron, is convenient for elasticity conductor piece installation and dismantlement through the cantilever joint.
Further inject, the temperature controller includes L type terminal, two sets of L type terminal lower extremes are equipped with the connecting seat respectively, and the circle diameter that two sets of L type terminals formed is greater than the connecting seat diameter, the cross-section that two sets of L type terminals and connecting seat are constituteed is the lantern shape, and it is corresponding with it to lap two mounting hole shapes, the connecting seat lower extreme is equipped with the heat-sensitive reaction subassembly, and heat-sensitive reaction subassembly upper end is oval limiting plate, the temperature controller is fixed through rotatory joint with the apron, be convenient for installation and dismantlement, and the lug connection of the heating surface through temperature controller and heating element outer wall.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses a temperature controller that the temperature controller mounting hole is relative with multistage heating sub-circuit installs additional fast has effectively increased heating element's security, has avoided damaging the problem of all subassemblies because of parallelly connected circuit, and the later stage of being convenient for is to heating element's inspection and maintenance.
2. The utility model discloses an elasticity conductor piece mounting hole installs the elasticity conductor piece of being connected with power welding point and positive negative pole welding point electricity additional, makes heating element high temperature during operation through the elasticity conductor piece, even soldering tin melting between elasticity conductor piece and the heating element link is softened also to be difficult for leading to the circuit to drop, even soldering tin drops, because elasticity conductor piece compresses tightly with the apron and is connected for the elasticity conductor piece still is connected with heating element contact and electricity, and elasticity conductor piece occupation space is little.
3. The utility model discloses be equipped with the fixture block of at least a set of relative setting on the both sides border of well apron respectively, the fixture block formation of this relative setting and the buckle structure that the thick film heating member matches, conveniently carry out the joint pre-installation through buckle structure with apron and thick film heating member in order to realize the pre-positioning to the temperature controller, it is fixed with the spiro union of thick film heating member to treat to realize through the screw realization apron after the temperature controller has adjusted the position.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of the cover plate of the present invention;
FIG. 4 is a schematic structural view of the cover plate of the present invention;
fig. 5 is a schematic structural diagram of the thick film heating plate of the present invention.
In the figure: 1-thick film heating body, 101-runner plate, 102-thick film heating plate, 1021-carrier, 1022-heating circuit, 1023-temperature sensing element, 1024-power supply welding point, 1025-temperature sensing circuit, 1026-positive and negative welding points, 103-liquid inlet pipe joint, 104-liquid outlet pipe joint; 2-cover plate, 201-temperature controller mounting hole, 202-elastic conductor piece mounting hole, 203-fixture block; 3-temperature controller; 4-elastic conductor sheet.
Detailed Description
Referring to the drawings for describing the technical solution of the present invention in detail, as shown in fig. 1-5, a thick film heating assembly with high safety factor of use comprises a thick film heating member 1 and a cover plate 2 which are oppositely arranged and connected with each other, wherein the thick film heating member 1 is composed of a runner plate 101 and a thick film heating plate 102 which are hermetically welded with each other, a fluid channel is formed between the runner plate 101 and the thick film heating plate 102, a fluid inlet pipe joint 103 and a fluid outlet pipe joint 104 are respectively arranged at two ends of the fluid channel, a temperature controller mounting hole 201 and an elastic conductor sheet mounting hole 202 are respectively arranged at the middle part and the lower part of the cover plate 2, at least one set of clamping blocks 203 which are oppositely arranged are respectively arranged at two side edges of the cover plate 2, the clamping blocks 203 which are oppositely arranged form a buckling structure which is matched with the thick film heating member 1, the cover plate 2 and the thick film heating member 1 are clamped by the buckling structure to realize the pre-positioning of the temperature controller 3, after the temperature controller 3 is adjusted, the cover plate 2 is screwed and fastened with the thick film heating body 1 through screws.
The thick film heating plate 102 of the utility model is composed of a carrier 1021, a heating circuit 1022 and a temperature sensing element 1023 which are arranged on the carrier 1021, wherein the carrier 1021 is used for bearing the heating circuit 1022 and transferring the heat generated by the heating circuit 1022 to the fluid to be heated inside the carrier 1021, the heating circuit 1022 is composed of a plurality of sections of heating sub-circuits which are distributed in different areas of the carrier 1021 and are mutually independent and connected in parallel, a temperature controller 3 is respectively arranged in a temperature controller mounting hole 201 on a cover plate 2 which is opposite to the plurality of sections of heating sub-circuits, the temperature controller 3 is in butt fit with the thick film heating plate 102, two ends of the plurality of sections of heating sub-circuits are respectively electrically connected with a power supply welding point 1024 which is arranged on the carrier 1021, an elastic conductor piece 4 is respectively inserted and mounted in an elastic conductor piece mounting hole 202 on the cover plate 2 which is opposite to the power supply welding point 1024, one end of the elastic conductor piece 4 is fixedly connected with the power supply welding point 1024 by soft soldering, the other end of the elastic conductor piece 4 is electrically connected with a power circuit; the temperature sensing element 1023 is arranged on the carrier 1021 and used for acquiring temperature data of fluid to be heated inside the carrier 1021 and the carrier 1021 so as to prevent dry burning, two ends of the temperature sensing element 1023 are respectively and electrically connected with positive and negative welding points 1026 arranged on the carrier 1021 through a temperature sensing circuit 1025, elastic conductor pieces 4 are respectively inserted and installed in the elastic conductor piece installation holes 202 on the cover plate 2 opposite to the positive and negative welding points 1026, one end of each elastic conductor piece 4 is fixedly connected with the positive and negative welding points 1026 through soft soldering, and the other end of each elastic conductor piece 4 is electrically connected with a control device.
The utility model discloses the rectangle mounting hole on elasticity conductor piece 4 and the apron 2 is connected through the mode of cantilever joint, 4 left and right sides of elasticity conductor piece are equipped with the rectangle joint key promptly, and there is corresponding draw-in groove in the rectangle mounting hole of apron 2, be convenient for the installation of elasticity conductor piece 4 and dismantle through the cantilever joint, and make heating element high temperature during operation through elasticity conductor piece 4, even soldering tin melting between elasticity conductor piece 4 and the heating element link is softened also difficult to lead to the wire to drop, even soldering tin drops, because elasticity conductor piece 4 and 2 grafting fixed connection of apron and apron 2 compress tightly fixedly through the screw spiro union with thick film heating member 1, make elasticity conductor piece 4 still be connected with heating element contact and electricity, and elasticity conductor piece 4 occupation space is little.
Temperature controller 3 includes L type terminal, two sets of L type terminal lower extremes are equipped with the connecting seat respectively, and the circle diameter that two sets of L type terminals formed is greater than the connecting seat diameter, the cross-section that two sets of L type terminals and connecting seat are constituteed is the lantern shape, and it is corresponding with it to lap two mounting hole shapes, the connecting seat lower extreme is equipped with the heat-sensitive reaction subassembly, and heat-sensitive reaction subassembly upper end is oval limiting plate, temperature controller 3 is fixed through rotatory joint with apron 2, be convenient for installation and dismantlement, and the lug connection of the hot side through temperature controller 3 and heating element outer wall, the normal operating temperature of heating element is no longer than the settlement temperature, the water cut-off appears in the use, the water yield can make circuit temperature rise fast for a short time, temperature controller 3 can cut off the power supply rapidly this moment, prevent the incident that heating element dried combustion method produced.
The utility model discloses a temperature controller that the temperature controller mounting hole is relative with multistage heating sub-circuit installs additional fast has effectively increased heating element's security, has avoided damaging the problem of all subassemblies because of parallelly connected circuit, and the later stage of being convenient for is to heating element's inspection and maintenance. The utility model discloses an elasticity conductor piece mounting hole installs the elasticity conductor piece of being connected with power welding point and positive negative pole welding point electricity additional, makes heating element high temperature during operation through the elasticity conductor piece, even soldering tin melting between elasticity conductor piece and the heating element link is softened also to be difficult for leading to the circuit to drop, even soldering tin drops, because elasticity conductor piece compresses tightly with the apron and is connected for the elasticity conductor piece still is connected with heating element contact and electricity, and elasticity conductor piece occupation space is little.
The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A thick film heating assembly with high use safety coefficient is characterized by comprising a thick film heating body and a cover plate which are oppositely arranged and mutually connected, wherein the thick film heating body is composed of a runner plate and a thick film heating plate which are mutually sealed and welded, a fluid channel is formed between the runner plate and the thick film heating plate, and two ends of the fluid channel are respectively provided with a liquid inlet pipe joint and a liquid outlet pipe joint; the middle part and the lower part of apron are equipped with temperature controller mounting hole and elasticity conductor piece mounting hole respectively, and the both sides border of apron is equipped with the fixture block of at least a set of relative setting respectively, and the fixture block formation of this relative setting matches with the thick film heating member the buckle structure, carries out the joint pre-installation with the realization to the pre-location of temperature controller with apron and thick film heating member through buckle structure, realizes the spiro union fastening of apron and thick film heating member through the screw.
2. The high safety in use thick film heating assembly of claim 1, wherein: the thick film heating plate consists of a carrier, a heating circuit and a temperature sensing element, wherein the heating circuit is arranged on the carrier, the carrier is used for bearing the heating circuit and transferring heat generated by the heating circuit to fluid to be heated in the carrier, the heating circuit consists of a plurality of sections of heating sub-circuits which are distributed in different areas of the carrier and are mutually independent and connected in parallel, temperature controllers are respectively arranged in temperature controller mounting holes on cover plates opposite to the plurality of sections of heating sub-circuits, the temperature controllers are in butt fit with the thick film heating plate, two ends of the plurality of sections of heating sub-circuits are respectively electrically connected with power supply welding points arranged on the carrier, elastic conductor sheets are respectively inserted and mounted in elastic conductor sheet mounting holes on the cover plates opposite to the power supply welding points, one ends of the elastic conductor sheets are fixedly connected with the power supply welding points through elastic pressing or soft soldering, and the other ends of the elastic conductor sheets are electrically connected with a power supply circuit; the temperature sensing element is arranged on the carrier and used for acquiring temperature data of fluid to be heated in the carrier and the carrier to prevent dry burning, two ends of the temperature sensing element are respectively and electrically connected with positive and negative welding points arranged on the carrier through a conductive circuit, elastic conductor sheets are respectively inserted and installed in elastic conductor sheet installation holes in the cover plate opposite to the positive and negative welding points, one end of each elastic conductor sheet is fixedly connected with the positive and negative welding points through elastic pressing or soft soldering, and the other end of each elastic conductor sheet is electrically connected with the control device.
3. The high safety in use thick film heating assembly of claim 1, wherein: the elastic conductor piece is connected with the rectangular mounting hole in the cover plate in a cantilever clamping mode, namely rectangular clamping keys are arranged on the left side and the right side of the elastic conductor piece, corresponding clamping grooves are formed in the rectangular mounting hole in the cover plate, and the elastic conductor piece is convenient to mount and dismount through cantilever clamping.
4. The high safety in use thick film heating assembly of claim 1, wherein: the temperature controller includes L type terminal, two sets of L type terminal lower extremes are equipped with the connecting seat respectively, and the circle diameter that two sets of L type terminals formed is greater than the connecting seat diameter, the cross-section that two sets of L type terminals and connecting seat are constituteed is the lantern shape, and two mounting hole shapes on the apron are corresponding with it, the connecting seat lower extreme is equipped with the heat-sensitive reaction subassembly, and heat-sensitive reaction subassembly upper end is oval limiting plate, the temperature controller is fixed through rotatory joint with the apron, be convenient for installation and dismantlement, and the lug connection of the heating surface through temperature controller and heating element outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247968.6U CN214791886U (en) | 2021-06-05 | 2021-06-05 | Thick film heating element that application safety coefficient is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247968.6U CN214791886U (en) | 2021-06-05 | 2021-06-05 | Thick film heating element that application safety coefficient is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214791886U true CN214791886U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121247968.6U Active CN214791886U (en) | 2021-06-05 | 2021-06-05 | Thick film heating element that application safety coefficient is high |
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| Country | Link |
|---|---|
| CN (1) | CN214791886U (en) |
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2021
- 2021-06-05 CN CN202121247968.6U patent/CN214791886U/en active Active
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